?url_ver=Z39.88-2004&rft_id=10.1680%2Fasic.34044.0037&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Shafiq&rft.au=Shafiq%2C+N.&rft.aufirst=N.&rft.isbn=0727734040%3B+9780727734044&rft.date=2005&rft.title=Fly+Ash+blended+cement%3A+An+effective+material+for+addressing+durability+related+issues&rft.genre=proceeding